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[rails.git] / app / controllers / api_controller.rb

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 9e3839697a5f099f74500f50cea76d367ec80115..44efdc0711f2cb39d53e8b59d33d58e8583dca5b 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -1,44 +1,88 @@
 class ApiController < ApplicationController
 class ApiController < ApplicationController

+  skip_before_action :verify_authenticity_token

 
 

-  def map
-    bbox = params['bbox']
-    unless bbox and bbox.count(',') == 3
-      render :nothing => true, :status => 400
-      return
+  private
+
+  def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")
+    # make the current_user object from any auth sources we have
+    setup_user_auth
+
+    # handle authenticate pass/fail
+    unless current_user
+      # no auth, the user does not exist or the password was wrong
+      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+      render :plain => errormessage, :status => :unauthorized
+      false
+    end
+  end
+
+  def current_ability
+    # Use capabilities from the oauth token if it exists and is a valid access token
+    if Authenticator.new(self, [:token]).allow?
+      ApiAbility.new(nil).merge(ApiCapability.new(current_token))
+    else
+      ApiAbility.new(current_user)
+    end
+  end
+
+  def deny_access(_exception)
+    if current_token
+      set_locale
+      report_error t("oauth.permissions.missing"), :forbidden
+    elsif current_user
+      head :forbidden
+    else
+      realm = "Web Password"
+      errormessage = "Couldn't authenticate you"
+      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+      render :plain => errormessage, :status => :unauthorized

     end
     end

+  end

 
 

-    bbox = bbox.split(',')
-
-    min_lat = bbox[0].to_f
-    min_lon = bbox[1].to_f
-    max_lat = bbox[2].to_f
-    max_lon = bbox[3].to_f
-
-    nodes = Node.find(:all, :conditions => ['latitude > ? AND longitude > ? AND latitude < ? AND longitude < ? AND visible = 1', min_lat, min_lon, max_lat, max_lon])
-
-    node_ids = "(#{nodes.collect {|node| node.id }})"
-
-    segments = Segment.find(:all, :condtions => ['node_a in ? or node_b in ?', node_ids, node_ids])
-    render :text => node_ids.join(',')
-    return
-
-    doc = XML::Document.new
-    doc.encoding = 'UTF-8' 
-    root = XML::Node.new 'osm'
-    root['version'] = '0.4'
-    root['generator'] = 'OpenStreetMap server'
-    doc.root = root
-
-    render :text => doc.to_s
-    
-    #el1 = XML::Node.new 'node'
-    #el1['id'] = self.id.to_s
-    #el1['lat'] = self.latitude.to_s
-    #el1['lon'] = self.longitude.to_s
-    #Node.split_tags(el1, self.tags)
-    #el1['visible'] = self.visible.to_s
-    #el1['timestamp'] = self.timestamp.xmlschema
-    #root << el1
+  def gpx_status
+    status = database_status
+    status = "offline" if status == "online" && Settings.status == "gpx_offline"
+    status

   end
 
   end
 

+  ##
+  # sets up the current_user for use by other methods. this is mostly called
+  # from the authorize method, but can be called elsewhere if authorisation
+  # is optional.
+  def setup_user_auth
+    # try and setup using OAuth
+    unless Authenticator.new(self, [:token]).allow?
+      username, passwd = get_auth_data # parse from headers
+      # authenticate per-scheme
+      self.current_user = if username.nil?
+                            nil # no authentication provided - perhaps first connect (client should retry after 401)
+                          elsif username == "token"
+                            User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
+                          else
+                            User.authenticate(:username => username, :password => passwd) # basic auth
+                          end
+    end
+
+    # have we identified the user?
+    if current_user
+      # check if the user has been banned
+      user_block = current_user.blocks.active.take
+      unless user_block.nil?
+        set_locale
+        if user_block.zero_hour?
+          report_error t("application.setup_user_auth.blocked_zero_hour"), :forbidden
+        else
+          report_error t("application.setup_user_auth.blocked"), :forbidden
+        end
+      end
+
+      # if the user hasn't seen the contributor terms then don't
+      # allow editing - they have to go to the web site and see
+      # (but can decline) the CTs to continue.
+      if !current_user.terms_seen && flash[:skip_terms].nil?
+        set_locale
+        report_error t("application.setup_user_auth.need_to_see_terms"), :forbidden
+      end
+    end
+  end

 end
 end